- 問題詳情: Forthepastfiveyears,PaulaSmith,ahistorianofscience,hasdevotedherselftore-creatinglong-forgottentechniques.Whiledoingresearchforhernewbook,shecameacrossa16th-centuryFrenchmanuscript(手稿)consistingofnearly1,000setsofinstructions,coveringsu...
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